Trump’s Minority Coalition

Unlike Nixon or Reagan, he hasn’t expanded his 2016 support.

President Trump’s political credo is never admit a mistake or setback, and on cue Wednesday he called the midterm election results a “tremendous success.” Perhaps he even believes it, but he shouldn’t. The results weren’t the “blue wave” of media and Democratic desire, but they were overall a GOP defeat with warnings for 2020.

Democrats won the House for the first time in eight years, meaning that the possibilities for conservative policy reform are dead for the next two years. The siege of investigations will begin, and...